(   )1.________ travels around the earth.

    A. The sun     B. Moon     C. Sun     D. The moon

(   ) 2.--Will there be more trees and less pollution in 100 years?   --_______________.

A£®   Yes, there will.   B. I hope not.  C. Yes ,they will.  D. No, I hope so.

(   )3. _________ you climb, ________ views you’ll enjoy..

A. Taller, better              B. The higher, the better

C. The less, the more beautiful  D. The highest, the most beautiful